A service company develops software for the manufacturing industry. Historically has developed its products using a particular type of project scheme, as shown in the table below (costs are in thousands.) Based on the information, What is the expression with all relevant parameters to find the probability that it will take less than 15 days (Note: You can write the expression with all numbers and an explanation. You Don't have to 'look' for the probability.)? Most likely Task Start Designation A Precedence Task Optimistic duration (days) duration Pessimistic duration (days) (days) none 1 1 1 Select system modules Prepare data B A 2 3 4 C B 2 2 2 Populate system data D B 4 6 8 Test system E C, D 2 2 2 Debug system F E 1 3 5 Hold "Go Live" meeting G E 2 4 6 Set system protocols H G, F 2 2 2